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Response Functions for the IRAS Bands

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[Adapted from Table II.C.5 of the Explanatory Supplement.]

12 micron Band
Wavelength  Relative
(microns)   response
   7.0       0.000
   7.5       0.008
   8.0       0.535
   8.5       0.689
   9.0       0.735
   9.5       0.815
  10.0       0.900
  10.5       0.904
  11.0       0.834
  11.5       0.816
  12.0       0.793
  12.5       0.854
  13.0       0.938
  13.5       0.991
  14.0       1.000
  14.5       0.934
  15.0       0.388
  15.5       0.000

25 micron Band
Wavelength  Relative
(microns)   response
  16.0       0.007
  16.5       0.101
  17.0       0.288
  17.5       0.388
  18.0       0.452
  18.5       0.521
  19.0       0.562
  19.5       0.626
  20.0       0.683
  20.5       0.729
  21.0       0.778
  21.5       0.832
  22.0       0.912
  22.5       0.914
  23.0       0.938
  23.5       0.933
  24.0       0.875
  24.5       0.910
  25.0       1.000
  25.5       0.911
  26.0       0.840
  26.5       0.763
  27.0       0.749
  27.5       0.829
  28.0       0.914
  28.5       0.790
  29.0       0.877
  29.5       0.558
  30.0       0.274
  30.5       0.069
  31.0       0.012
  31.5       0.000

60 micron Band
Wavelength  Relative
(microns)   response
  27.0       0.000
  30.0       0.010
  33.0       0.036
  36.0       0.068
  39.0       0.174
  42.0       0.315
  45.0       0.483
  48.0       0.585
  51.0       0.658
  54.0       0.716
  57.0       0.824
  60.0       0.915
  63.0       0.987
  66.0       0.990
  69.0       1.000
  72.0       0.946
  75.0       0.713
  78.0       0.531
  81.0       0.174
  84.0       0.047
  87.0       0.000

100 micron Band
Wavelength  Relative
(microns)   response
  65.0       0.000
  70.0       0.010
  75.0       0.113
  80.0       0.306
  85.0       0.505
  90.0       0.695
  95.0       0.824
 100.0       0.947
 105.0       0.939
 110.0       1.000
 115.0       0.631
 120.0       0.319
 125.0       0.195
 130.0       0.106
 135.0       0.053
 140.0       0.010

Reference:
Infrared Astronomical Satellite (IRAS) Catalogs and Atlases, vol. 1, Explanatory Supplement, 1988, ed. C. Beichman, et al., NASA RP-1190 (Washington, DC: GPO)

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